Mathematics 9709 · AS & A Level · Algebra

Algebra — practice question

Let the function be $f(x) = \dfrac{5x^2 - 7x + 4}{(3x + 2)(x^2 + 5)}$.
(i)[5]

Express $f(x)$ using partial fractions.

(ii)[5]

Hence give the expansion of $f(x)$ in ascending powers of $x$, up to and including the $x^2$ term.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: State or show the form $\dfrac{A}{3x+2}+\dfrac{Bx+C}{x^2+5}$

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